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If cos (2 tan^–1x) = 1/2 , then value of x is_______

+1 vote

asked Mar 1, 2019 in JEE by kratos

If cos (2 tan–1x) = 1/2 , then value of x is__

(A) 1 - 1/√3

(B) ±√3

(C) √3 - 1

(D) ±1/√3

dissolution of partnership
class-8
reconstitution of partnership firm
jee main 2020
powers and exponents
class-12

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1 Answer

+3 votes

answered Jul 24, 2020 by kratos

Best answer

Correct option (D) ±1/√3

Explanation:

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